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Cancer metastasis reviews

Towards an understanding of the structure and function of MTA1.


PMID 25352341

Abstract

Gene expression is controlled through the recruitment of large coregulator complexes to specific gene loci to regulate chromatin structure by modifying epigenetic marks on DNA and histones. Metastasis-associated protein 1 (MTA1) is an essential component of the nucleosome remodelling and deacetylase (NuRD) complex that acts as a scaffold protein to assemble enzymatic activity and nucleosome targeting proteins. MTA1 consists of four characterised domains, a number of interaction motifs, and regions that are predicted to be intrinsically disordered. The ELM2-SANT domain is one of the best-characterised regions of MTA1, which recruits histone deacetylase 1 (HDAC1) and activates the enzyme in the presence of inositol phosphate. MTA1 is highly upregulated in several types of aggressive tumours and is therefore a possible target for cancer therapy. In this review, we summarise the structure and function of the four domains of MTA1 and discuss the possible functions of less well-characterised regions of the protein.

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